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From: mike at (Mike Tancsa)
Subject: Q: Linux Command Line Encryption

At 01:48 PM 22/10/2004, Ali Campbell wrote:
>I need a Linux utility which I can use to encrypt a single gzipped file 
>via the command line. Obviously something open source would be preferable. 
>I'm not really interested in setting up a whole suite of stuff with 
>keyfiles and so on, and I don't need a public/private key setup, just 
>something quick and dirty with a single secret key for encryption and 
>decryption which is nevertheless reasonably strong.

Whats wrong with openssl ?

openssl des3 -in test.txt -out test.txt.enc


openssl aes-256-cbc -in test.txt -out test.txt.enc

This is only as strong as your passphrase.  Using something like GPG has 
other advantages since the private key can be kept in a separate location 
from the encrypted file.


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